diff --git a/ProposedProblems/.gitignore b/ProposedProblems/.gitignore
index 27c0693ac340b21726f791b805e47e8ba936a6e2..87620ac7e74efee566c6ee9d2ed7281ebafb4788 100644
--- a/ProposedProblems/.gitignore
+++ b/ProposedProblems/.gitignore
@@ -1 +1 @@
-.ipynb_checkpoints/Problem4-checkpoint.ipynb
+.ipynb_checkpoints/